Provide a reason of using ammonnum hydroxide and ammonium chloride in precipitation of Group IV cations.

Q: I621 T 2 Rt Sg Bh 241) Using their positions on the periodic table, rank the following atoms/ions by...

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Q: Question 43 If you increase the concentration of your electrolyte solution, what will be the value o...

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Q: Find the Debye temperature for sodium chloride at 10, 15 and 20 K, where its corresponding specific ...

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Q: estion 48 What is the molar solubility of Agl Ksp 8.3 × 101 in the presence of 0.05 M KI? O 9.11 x 1...

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Q: A student dissolves 13.0 g of sodium hydroxide (NaOH)in 200. g of water in a well-insulated open cup...

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Q: A solution is prepared by dissolving 10g of glucose in enough water to make 500mL of solution . Calc...

A: Given,  A solution is prepared by dissolving 10g of glucose in enough water to make 500mL of solutio...

Q: Question 6 Which of the following statement is INCORRECT? Gravimetry and titrimetry are classical me...

A: Two questions based on tools in analytical chemistry that is to be accomplished.

Q: .CH2Br NANH2 CH;CH2C=CH 1 - CH3 (3) Lindlar's catalyst

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Q: 63.0 mL of Ca(OH)2 solution was titrated with 21.5 mL of 0.467 MHNO3. Determine the molarity of the ...

A: Here given--- Volume of HNO3 (V1) = 21.5 mL Strength of HNO3 (S1) = 0.467 M Volume of Ca(OH)2 (V2) =...

Q: 10. Consider the two Wittig reactions below. The first Wittig reaction goes well. The second doesn't...

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Q: Calculate the concentration of sulfide ions in a solution that is 0.080M in hydrogen sulfide and con...

A: Hydrogen sulfide is a weak acid.

Q: 2- The formation constant of the following reaction is [Cu(NH))4 +4H;0 [Cu(H;O)F +4NH3 A) Multiplica...

A: 2) the given reaction is completed via four steps, the formation constant is multiplicative and it w...

Q: Try to create a WORD PROBLEM about Hess's Law. Make sure to include your solution.

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Q: There are solutions of Ba(NO3)2 and A12(SO4)3 with the same molar concentration. Which of the soluti...

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Q: Give the name of the given compound and clear parent chain in clear ha

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Q: Calculate delta G° for the reaction below at 298 K.                   PCl3(g)  +  Cl2(g)  ->  PCl5(g...

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Q: Please note that "geometry" refers to the molecular or ionic geometry. Lewis diagram for H20 is: ect...

A: Molecular geometry and electron geometry is same if there is no lone pair around the central atom.

Q: Consider the energy diagram. Products Does this diagram represent an increase or decrease in the int...

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Q: A 0.581 M solution of a weak base has a pH of 11.86. What is the base hydrolysis constant, Kh, for t...

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Q: Estimate the Stark effect on a harmonic oscillator.

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Q: om Table A-26. Assume the water in the products is in the vapour form.

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Q: A mixture of phenol and water, under certain conditions of temperature and composition, forms two se...

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Q: - Claim: Now, rank the substances in terms of the strength of their intermolecular forces from lowes...

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Q: Draw the Skeletal Formula of the following compounds. The parent chain should be drawn in STRAIGHT h...

A: Skeletal formula include the structure of the compound from the given IUPAC name.  

Q: Classify these compounds by whether they behave as strong acids, weak acids, strong bases, or weak b...

A: Compound can be classified as acid or base There are several theory to define acid or base 

Q: glycol (CH2(OH)CH2(OH)) is a common antifreeze agent in mobile soluble in water and boils at 197°C. ...

A: Given,  Mass of glycol = 600 g Molar mass of Glycol = 62 g/mol Mole = mass/molar mass = 600/62 = 9.6...

Q: Which of the following has the highest intensity of mass fragment peak in its mass spectrum? Select ...

A: more the stability of the fragment, more the intensity of the mass fragment peak in the mass spectru...

Q: 4. At temperature 500 °C, what is the volume of occupied 4.2 grams carbon dioxide gas at STP?

A: Number of moles is calculated by dividing given mass with molecular mass.

Q: Calculate the mole fraction of C2H5OH in a solution that contains 46 grams of ethanol, C2H5OH, and 6...

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Q: Calculate the H+] and pH of a 3.05 x 10¬4 M nitrous acid solution. The Ka of nitrous acid is 7.10 x ...

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Q: An important reaction that takes place in a blast furnace during the production of iron is the forma...

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Q: What is the weaker base, NH3 or NaNH2?

A: A weak base is a base that, upon dissolution in water, does not dissociate completely into its ions....

Q: pH of

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Q: why does a solution of the violet [V(H2O)6]2+ complex gradually turn green when it's left open in th...

A: The electronic configuration of vanadium is: V: 1s22s22p63s23p63d34s2 Vanadium is a transition metal...

Q: -. NaOCI

A: NaOCl   Na →+1  O → -2  (+1)+(x)+(-2)=0  Cl →+1  

Q: Write ionic and net ionic equations for the following reactions. Be sure to include the states for e...

A: Net ionic equation are obtained when we cancel the Spectators ions 

Q: Calculate the formula of a compound having the following composition: Na = 27.38 %, H = 1.19 %, C = ...

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Q: In which of the solutions below Lead sulfate, PbSO4, be most soluble in? Justify your answer. a. pur...

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Q: Which of the following bases would you not use to deprotonate 1- pentyne? B H3C H3C CH2 lithium n-bu...

A: Terminal Alkyne has acidic hydrogen which can be removed by using strong base.  

Q: estion 32 Which of the following compounds is a strong electrolyte? O N2OH O H20 O CH3OH O CH3CH2OH

A: 34-answer

Q: Calculate the pH of a HF/F- buffer solution after the addition of 32.65 mL of 0.100 M NaOH to 25.00 ...

A: A buffer solution is formed by the mixing of a weak acid and its conjugate base, or vice versa. The ...

Q: Estimate the standard heat of combustion of propane, C3H8, at 25 °C with H2O(l) and CO2(g) as combus...

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Q: How many peaks will show up in the H NMR spectrum of the given compound below. Choose one: A. 9...

A: The proton-NMR spectra of a compound is used to determine the presence of different types of hydroge...

Q: List the four characteristics of alkanes. Use the paperclip button below * Student can enter max 350...

A: Alkanes 

Q: Chemistry For propene and 2-methylbutene-2, write the reaction schemes for the electrophilic additio...

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Q: The label is a reagent to which he had specified on the label only the alcohol name and molecular fo...

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Q: C. Draw the chemical structure for each of the following:

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Q: I have a research project in Computational Chemistry Course entitled “Predicting binding of carbohyd...

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Q: What were Antoine Henri Becquerel's contributions to nuclear chemistry? Why were they so important? ...

A: What were Antoine Henri Becquerel's contributions to nuclear chemistry? Why were they so important. ...

Q: 75

A: Acids have acid dissociation constant. Strong acids have high acid dissociation constant. Weak acids...

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.